1 #ifndef __PERF_MACHINE_H 2 #define __PERF_MACHINE_H 3 4 #include <sys/types.h> 5 #include <linux/rbtree.h> 6 #include "map.h" 7 8 struct addr_location; 9 struct branch_stack; 10 struct perf_evsel; 11 struct perf_sample; 12 struct symbol; 13 struct thread; 14 union perf_event; 15 16 /* Native host kernel uses -1 as pid index in machine */ 17 #define HOST_KERNEL_ID (-1) 18 #define DEFAULT_GUEST_KERNEL_ID (0) 19 20 struct machine { 21 struct rb_node rb_node; 22 pid_t pid; 23 u16 id_hdr_size; 24 char *root_dir; 25 struct rb_root threads; 26 struct list_head dead_threads; 27 struct thread *last_match; 28 struct list_head user_dsos; 29 struct list_head kernel_dsos; 30 struct map_groups kmaps; 31 struct map *vmlinux_maps[MAP__NR_TYPES]; 32 symbol_filter_t symbol_filter; 33 }; 34 35 static inline 36 struct map *machine__kernel_map(struct machine *machine, enum map_type type) 37 { 38 return machine->vmlinux_maps[type]; 39 } 40 41 struct thread *machine__find_thread(struct machine *machine, pid_t tid); 42 43 int machine__process_comm_event(struct machine *machine, union perf_event *event); 44 int machine__process_exit_event(struct machine *machine, union perf_event *event); 45 int machine__process_fork_event(struct machine *machine, union perf_event *event); 46 int machine__process_lost_event(struct machine *machine, union perf_event *event); 47 int machine__process_mmap_event(struct machine *machine, union perf_event *event); 48 int machine__process_mmap2_event(struct machine *machine, union perf_event *event); 49 int machine__process_event(struct machine *machine, union perf_event *event); 50 51 typedef void (*machine__process_t)(struct machine *machine, void *data); 52 53 struct machines { 54 struct machine host; 55 struct rb_root guests; 56 symbol_filter_t symbol_filter; 57 }; 58 59 void machines__init(struct machines *machines); 60 void machines__exit(struct machines *machines); 61 62 void machines__process_guests(struct machines *machines, 63 machine__process_t process, void *data); 64 65 struct machine *machines__add(struct machines *machines, pid_t pid, 66 const char *root_dir); 67 struct machine *machines__find_host(struct machines *machines); 68 struct machine *machines__find(struct machines *machines, pid_t pid); 69 struct machine *machines__findnew(struct machines *machines, pid_t pid); 70 71 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size); 72 char *machine__mmap_name(struct machine *machine, char *bf, size_t size); 73 74 void machines__set_symbol_filter(struct machines *machines, 75 symbol_filter_t symbol_filter); 76 77 int machine__init(struct machine *machine, const char *root_dir, pid_t pid); 78 void machine__exit(struct machine *machine); 79 void machine__delete_dead_threads(struct machine *machine); 80 void machine__delete_threads(struct machine *machine); 81 void machine__delete(struct machine *machine); 82 83 struct branch_info *machine__resolve_bstack(struct machine *machine, 84 struct thread *thread, 85 struct branch_stack *bs); 86 struct mem_info *machine__resolve_mem(struct machine *machine, 87 struct thread *thread, 88 struct perf_sample *sample, u8 cpumode); 89 int machine__resolve_callchain(struct machine *machine, 90 struct perf_evsel *evsel, 91 struct thread *thread, 92 struct perf_sample *sample, 93 struct symbol **parent, 94 struct addr_location *root_al); 95 96 /* 97 * Default guest kernel is defined by parameter --guestkallsyms 98 * and --guestmodules 99 */ 100 static inline bool machine__is_default_guest(struct machine *machine) 101 { 102 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; 103 } 104 105 static inline bool machine__is_host(struct machine *machine) 106 { 107 return machine ? machine->pid == HOST_KERNEL_ID : false; 108 } 109 110 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, 111 pid_t tid); 112 113 size_t machine__fprintf(struct machine *machine, FILE *fp); 114 115 static inline 116 struct symbol *machine__find_kernel_symbol(struct machine *machine, 117 enum map_type type, u64 addr, 118 struct map **mapp, 119 symbol_filter_t filter) 120 { 121 return map_groups__find_symbol(&machine->kmaps, type, addr, 122 mapp, filter); 123 } 124 125 static inline 126 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 127 struct map **mapp, 128 symbol_filter_t filter) 129 { 130 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 131 mapp, filter); 132 } 133 134 static inline 135 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 136 const char *name, 137 struct map **mapp, 138 symbol_filter_t filter) 139 { 140 return map_groups__find_function_by_name(&machine->kmaps, name, mapp, 141 filter); 142 } 143 144 struct map *machine__new_module(struct machine *machine, u64 start, 145 const char *filename); 146 147 int machine__load_kallsyms(struct machine *machine, const char *filename, 148 enum map_type type, symbol_filter_t filter); 149 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 150 symbol_filter_t filter); 151 152 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, 153 bool (skip)(struct dso *dso, int parm), int parm); 154 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp); 155 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, 156 bool (skip)(struct dso *dso, int parm), int parm); 157 158 void machine__destroy_kernel_maps(struct machine *machine); 159 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 160 int machine__create_kernel_maps(struct machine *machine); 161 162 int machines__create_kernel_maps(struct machines *machines, pid_t pid); 163 int machines__create_guest_kernel_maps(struct machines *machines); 164 void machines__destroy_kernel_maps(struct machines *machines); 165 166 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 167 168 #endif /* __PERF_MACHINE_H */ 169
